230 Volts, 50/60 Hz, 1/2" OD Tube Connections, PVC Head & Fittings, Ceramic Valve Ball, TFE Seat. 76 GPD Max Flow Rate @ 150 PSI, Flow Control: External/Remote Pacing with Stop.LPH5E2-VTC3-CZXXX Pump Series E Plus Electronic Chemical Metering Pumps - E+ 2 CE Approval (Europe), Standard - No Additional Options..